<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div>
    <input type="text" placeholder="员工姓名" v-model="e.name">
    <input type="text" placeholder="员工工资" v-model="e.sal">
    <input type="text" placeholder="员工工作" v-model="e.job">
    <input type="button" value="添加员工" @click="add()">
    <table border="1">
        <caption>员工列表</caption>
        <tr>
            <th>序号</th>
            <th>姓名</th>
            <th>工资</th>
            <th>工作</th>
        </tr>
        <tr v-for="(emp,i) in arr">
            <td>{{i+1}}</td>
            <td>{{emp.name}}</td>
            <td>{{emp.sal}}</td>
            <td>{{emp.job}}</td>
            <td><input type="button" value="删除" @click="del(i)"></td>
        </tr>
    </table>
</div>
<script src="https://cdn.staticfile.org/vue/2.2.2/vue.min.js"></script>
<script>
    let v = new Vue({
        el: "body>div",
        data: {
            e: {name: "", sal: "", job: ""},
            arr: [{name: "张三", sal: "3000", job: "销售"},
                {name: "李四", sal: "4000", job: "人事"}]
        },
        methods: {
            add() {
                // v.arr.push(e)此方法添加的员工鼠标会随文本框改变而改变
                //创建一个新对象 数据来自双向绑定的员工对象e
                v.arr.push({name: v.e.name, sal: v.e.sal, job: v.e.job});
            },

            del(i) {
                //从数组中删除元素,(起始,数量)
                v.arr.splice(i, 1);
            }
        }
    })
</script>
</body>
</html>